orcus | 4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79

General

Target

4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe
Size

3.0MB
MD5

a799040cfc26714b653950f418cc3359
SHA1

3c944bf11d495c0cd7bee4e8dbc9515bea44b94c
SHA256

4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79
SHA512

591c5537397a2f8e93cd16911ef94fd7adaf682851f1d21dc8e39d7b43dbdf661ed0c441fd11ec620d55dff4dcdf9c110d3c162b4f0cee080a3f7178122a50c6
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus voznya rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

voznya

C2

31.44.184.52:29613

Mutex

sudo_bk0dxk6ankr3vxmczlddfhmsclecfrf2

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
C:\a\generatorhttp\wpuniversal.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016cf5-10.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1936-0-0x00000000003B0000-0x00000000006AE000-memory.dmp	orcus
behavioral1/files/0x0007000000016cf5-10.dat	orcus
behavioral1/memory/2476-17-0x0000000000B80000-0x0000000000E7E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2476	wpuniversal.exe
1356	wpuniversal.exe
1228	wpuniversal.exe
3048	wpuniversal.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2476	1936	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	28
PID 1936 wrote to memory of 2476	1936	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	28
PID 1936 wrote to memory of 2476	1936	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	28
PID 1936 wrote to memory of 2476	1936	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	28
PID 2900 wrote to memory of 1356	2900	taskeng.exe	30
PID 2900 wrote to memory of 1356	2900	taskeng.exe	30
PID 2900 wrote to memory of 1356	2900	taskeng.exe	30
PID 2900 wrote to memory of 1356	2900	taskeng.exe	30
PID 2900 wrote to memory of 1228	2900	taskeng.exe	33
PID 2900 wrote to memory of 1228	2900	taskeng.exe	33
PID 2900 wrote to memory of 1228	2900	taskeng.exe	33
PID 2900 wrote to memory of 1228	2900	taskeng.exe	33
PID 2900 wrote to memory of 3048	2900	taskeng.exe	34
PID 2900 wrote to memory of 3048	2900	taskeng.exe	34
PID 2900 wrote to memory of 3048	2900	taskeng.exe	34
PID 2900 wrote to memory of 3048	2900	taskeng.exe	34

C:\Users\Admin\AppData\Local\Temp\4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe
"C:\Users\Admin\AppData\Local\Temp\4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\a\generatorhttp\wpuniversal.exe
  "C:\a\generatorhttp\wpuniversal.exe"
  2⤵
  - Executes dropped EXE
  PID:2476

C:\Windows\system32\taskeng.exe
taskeng.exe {9B547C9E-84F7-4475-9100-90955C051736} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\a\generatorhttp\wpuniversal.exe
  C:\a\generatorhttp\wpuniversal.exe
  2⤵
  - Executes dropped EXE
  PID:1356
- C:\a\generatorhttp\wpuniversal.exe
  C:\a\generatorhttp\wpuniversal.exe
  2⤵
  - Executes dropped EXE
  PID:1228
- C:\a\generatorhttp\wpuniversal.exe
  C:\a\generatorhttp\wpuniversal.exe
  2⤵
  - Executes dropped EXE
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\a\generatorhttp\wpuniversal.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\a\generatorhttp\wpuniversal.exe

Filesize
3.0MB

MD5
a799040cfc26714b653950f418cc3359

SHA1
3c944bf11d495c0cd7bee4e8dbc9515bea44b94c

SHA256
4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79

SHA512
591c5537397a2f8e93cd16911ef94fd7adaf682851f1d21dc8e39d7b43dbdf661ed0c441fd11ec620d55dff4dcdf9c110d3c162b4f0cee080a3f7178122a50c6

Download Submit
memory/1936-16-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-2-0x0000000000840000-0x0000000000880000-memory.dmp

Filesize
256KB

Download
memory/1936-3-0x0000000000750000-0x000000000075E000-memory.dmp

Filesize
56KB

Download
memory/1936-4-0x0000000000AB0000-0x0000000000B0C000-memory.dmp

Filesize
368KB

Download
memory/1936-5-0x0000000000820000-0x0000000000832000-memory.dmp

Filesize
72KB

Download
memory/1936-0-0x00000000003B0000-0x00000000006AE000-memory.dmp

Filesize
3.0MB

Download
memory/2476-19-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/2476-17-0x0000000000B80000-0x0000000000E7E000-memory.dmp

Filesize
3.0MB

Download
memory/2476-18-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2476-20-0x0000000000B30000-0x0000000000B7E000-memory.dmp

Filesize
312KB

Download
memory/2476-21-0x0000000002350000-0x0000000002368000-memory.dmp

Filesize
96KB

Download
memory/2476-22-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/2476-24-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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